Home / 127,328,845.20-190,993,029.39-39,897,055.49

Finding the Fourth Proportional to 127,328,845.20, 190,993,029.39 and 39,897,055.49

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Solution

The fourth proportional to 127,328,845.20, 190,993,029.39 and 39,897,055.49 is: 59,845,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,845.20 : 190,993,029.39 = 39,897,055.49 : x
  2. Step 2: Convert to fraction form
    127,328,845.20/190,993,029.39 = 39,897,055.49/x
  3. Step 3: Cross multiply
    127,328,845.20x = 190,993,029.39 × 39,897,055.49
  4. Step 4: Simplify right side
    127,328,845.20x = 7,620,059,490,821,065
  5. Step 5: Solve for x
    x = 7,620,059,490,821,065/127,328,845.20
  6. Step 6: Final answer
    x = 59,845,508.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.